[ovs-discuss] Tripled flow setup performance

Ben Pfaff blp at nicira.com
Thu Dec 13 19:18:59 UTC 2012


ofproto/ofproto-dpif-governor.c
ofproto/ofproto-dpif-governor.h

On Thu, Dec 13, 2012 at 10:15:12AM -0800, Masoud Moshref Javadi wrote:
> Hi Justin,
> 
> Can you give me a hint for discussions or reference in the code
> about this flow governor.
> 
> Masoud Moshref Javadi
> Computer Engineering PhD Student
> Ming Hsieh Department of Electrical Engineering
> University of Southern California
> 
> On 12/13/2012 10:11 AM, Justin Pettit wrote:
> >General performance improvements were made (e.g., not allocating memory on the fast path), but the biggest improvement was the flow governor for handling short-lived flows.
> >
> >--Justin
> >
> >
> >On Dec 13, 2012, at 10:00 AM, Masoud Moshref Javadi <moshrefj at usc.edu> wrote:
> >
> >>I want to know where has been changed to triple the performance?
> >>I checked the classifier.c file and it seems that the general algorithm (going linearly through hashsets created by wildcards) is the same as before.
> >>
> >>-- 
> >>Masoud Moshref Javadi
> >>Computer Engineering PhD Student
> >>Ming Hsieh Department of Electrical Engineering
> >>University of Southern California
> >>
> >>_______________________________________________
> >>discuss mailing list
> >>discuss at openvswitch.org
> >>http://openvswitch.org/mailman/listinfo/discuss
> 
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